(19)

(11)

EP 0 575 414 A1

(12)

(43) Date of publication: 29.12.1993 Bulletin 1993/52 (21) Application number: 92906418.0 (22) Date of filing: 04.03.1992

(51) International Patent Classification (IPC):  B62B 5/ 04( . ) (86) International application number: PCT/GB1992/000382 (87) International publication number: WO 1992/015476 (17.09.1992 Gazette 1992/24)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 05.03.1991 GB 19910004555 (71) Applicant: Gray, Andrew Peter Parkinson Copmanthorpe, York YO2 3TJ (GB)	(72) Inventor: Gray, Andrew Peter Parkinson Copmanthorpe, York YO2 3TJ (GB) (74) Representative: Harrison, Philippa Dinah, et al  A. A. THORNTON & CO Northumberland House 303-306 High Holborn London WC1V 7LE London WC1V 7LE (GB)